Update: Just got the email. I was approved! 10 hours too late to use it for this entry, but no biggie since I'm back in Australia for Xmas anyway. Thanks to the group for the great knowledge sharing and advice.
It's not just digital nomad, it's also remote worker. If you stay in Thailand and don't pay tax at home, you just need to pay tax in Thailand. Nothing wrong with paying tax where you're living the majority of your time.